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What we do know is she had done it before: She was given three points for doing the same thing in 2009.

We also know that before making the fateful decision to drive through those traffic lights she would have seen an amber light for three seconds and a red light for a further two. If that doesn't sound like long, count it down on a watch and ask yourself if it gives you long enough to react.

Mr Carter's family could have been forgiven for feeling French should have faced a prison sentence, but they showed extraordinary grace and composure in their reaction to the court's decision to impose a suspended sentence.

They say they now wish to grieve properly. That is a private process that will take many years but there is something each and everyone of us can do immediately to honour Mr Carter's memory. The next time you get behind the wheel pause for just a moment and consider the terrible consequences just one stupid decision can have.